diff options
Diffstat (limited to 'drivers/media/pci/cx88/cx88-blackbird.c')
| -rw-r--r-- | drivers/media/pci/cx88/cx88-blackbird.c | 438 |
1 files changed, 180 insertions, 258 deletions
diff --git a/drivers/media/pci/cx88/cx88-blackbird.c b/drivers/media/pci/cx88/cx88-blackbird.c index 150bb76e7839..25d06f36e0ef 100644 --- a/drivers/media/pci/cx88/cx88-blackbird.c +++ b/drivers/media/pci/cx88/cx88-blackbird.c @@ -45,10 +45,6 @@ MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE MODULE_LICENSE("GPL"); MODULE_VERSION(CX88_VERSION); -static unsigned int mpegbufs = 32; -module_param(mpegbufs,int,0644); -MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32"); - static unsigned int debug; module_param(debug,int,0644); MODULE_PARM_DESC(debug,"enable debug messages [blackbird]"); @@ -589,9 +585,8 @@ static int blackbird_initialize_codec(struct cx8802_dev *dev) return 0; } -static int blackbird_start_codec(struct file *file, void *priv) +static int blackbird_start_codec(struct cx8802_dev *dev) { - struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; struct cx88_core *core = dev->core; /* start capturing to the host interface */ u32 reg; @@ -647,45 +642,131 @@ static int blackbird_stop_codec(struct cx8802_dev *dev) /* ------------------------------------------------------------------ */ -static int bb_buf_setup(struct videobuf_queue *q, - unsigned int *count, unsigned int *size) +static int queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt, + unsigned int *num_buffers, unsigned int *num_planes, + unsigned int sizes[], void *alloc_ctxs[]) { - struct cx8802_fh *fh = q->priv_data; - - fh->dev->ts_packet_size = 188 * 4; /* was: 512 */ - fh->dev->ts_packet_count = mpegbufs; /* was: 100 */ + struct cx8802_dev *dev = q->drv_priv; - *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count; - *count = fh->dev->ts_packet_count; + *num_planes = 1; + dev->ts_packet_size = 188 * 4; + dev->ts_packet_count = 32; + sizes[0] = dev->ts_packet_size * dev->ts_packet_count; return 0; } -static int -bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, - enum v4l2_field field) +static int buffer_prepare(struct vb2_buffer *vb) { - struct cx8802_fh *fh = q->priv_data; - return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field); + struct cx8802_dev *dev = vb->vb2_queue->drv_priv; + struct cx88_buffer *buf = container_of(vb, struct cx88_buffer, vb); + + return cx8802_buf_prepare(vb->vb2_queue, dev, buf, dev->field); } -static void -bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) +static void buffer_finish(struct vb2_buffer *vb) { - struct cx8802_fh *fh = q->priv_data; - cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb); + struct cx8802_dev *dev = vb->vb2_queue->drv_priv; + struct cx88_buffer *buf = container_of(vb, struct cx88_buffer, vb); + struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0); + + cx88_free_buffer(vb->vb2_queue, buf); + + dma_unmap_sg(&dev->pci->dev, sgt->sgl, sgt->nents, DMA_FROM_DEVICE); } -static void -bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb) +static void buffer_queue(struct vb2_buffer *vb) { - cx88_free_buffer(q, (struct cx88_buffer*)vb); + struct cx8802_dev *dev = vb->vb2_queue->drv_priv; + struct cx88_buffer *buf = container_of(vb, struct cx88_buffer, vb); + + cx8802_buf_queue(dev, buf); } -static struct videobuf_queue_ops blackbird_qops = { - .buf_setup = bb_buf_setup, - .buf_prepare = bb_buf_prepare, - .buf_queue = bb_buf_queue, - .buf_release = bb_buf_release, +static int start_streaming(struct vb2_queue *q, unsigned int count) +{ + struct cx8802_dev *dev = q->drv_priv; + struct cx88_dmaqueue *dmaq = &dev->mpegq; + struct cx8802_driver *drv; + struct cx88_buffer *buf; + unsigned long flags; + int err; + + /* Make sure we can acquire the hardware */ + drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); + if (!drv) { + dprintk(1, "%s: blackbird driver is not loaded\n", __func__); + err = -ENODEV; + goto fail; + } + + err = drv->request_acquire(drv); + if (err != 0) { + dprintk(1, "%s: Unable to acquire hardware, %d\n", __func__, err); + goto fail; + } + + if (blackbird_initialize_codec(dev) < 0) { + drv->request_release(drv); + err = -EINVAL; + goto fail; + } + + err = blackbird_start_codec(dev); + if (err == 0) { + buf = list_entry(dmaq->active.next, struct cx88_buffer, list); + cx8802_start_dma(dev, dmaq, buf); + return 0; + } + +fail: + spin_lock_irqsave(&dev->slock, flags); + while (!list_empty(&dmaq->active)) { + struct cx88_buffer *buf = list_entry(dmaq->active.next, + struct cx88_buffer, list); + + list_del(&buf->list); + vb2_buffer_done(&buf->vb, VB2_BUF_STATE_QUEUED); + } + spin_unlock_irqrestore(&dev->slock, flags); + return err; +} + +static void stop_streaming(struct vb2_queue *q) +{ + struct cx8802_dev *dev = q->drv_priv; + struct cx88_dmaqueue *dmaq = &dev->mpegq; + struct cx8802_driver *drv = NULL; + unsigned long flags; + + cx8802_cancel_buffers(dev); + blackbird_stop_codec(dev); + + /* Make sure we release the hardware */ + drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); + WARN_ON(!drv); + if (drv) + drv->request_release(drv); + + spin_lock_irqsave(&dev->slock, flags); + while (!list_empty(&dmaq->active)) { + struct cx88_buffer *buf = list_entry(dmaq->active.next, + struct cx88_buffer, list); + + list_del(&buf->list); + vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); + } + spin_unlock_irqrestore(&dev->slock, flags); +} + +static struct vb2_ops blackbird_qops = { + .queue_setup = queue_setup, + .buf_prepare = buffer_prepare, + .buf_finish = buffer_finish, + .buf_queue = buffer_queue, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, + .start_streaming = start_streaming, + .stop_streaming = stop_streaming, }; /* ------------------------------------------------------------------ */ @@ -693,8 +774,8 @@ static struct videobuf_queue_ops blackbird_qops = { static int vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { - struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; - struct cx88_core *core = dev->core; + struct cx8802_dev *dev = video_drvdata(file); + struct cx88_core *core = dev->core; strcpy(cap->driver, "cx88_blackbird"); sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci)); @@ -717,50 +798,47 @@ static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv, static int vidioc_g_fmt_vid_cap (struct file *file, void *priv, struct v4l2_format *f) { - struct cx8802_fh *fh = priv; - struct cx8802_dev *dev = fh->dev; + struct cx8802_dev *dev = video_drvdata(file); f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; f->fmt.pix.bytesperline = 0; - f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */ + f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; f->fmt.pix.width = dev->width; f->fmt.pix.height = dev->height; - f->fmt.pix.field = fh->mpegq.field; + f->fmt.pix.field = dev->field; dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d, f: %d\n", - dev->width, dev->height, fh->mpegq.field ); + dev->width, dev->height, dev->field); return 0; } static int vidioc_try_fmt_vid_cap (struct file *file, void *priv, struct v4l2_format *f) { - struct cx8802_fh *fh = priv; - struct cx8802_dev *dev = fh->dev; + struct cx8802_dev *dev = video_drvdata(file); f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; f->fmt.pix.bytesperline = 0; - f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */ + f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n", - dev->width, dev->height, fh->mpegq.field ); + dev->width, dev->height, dev->field); return 0; } static int vidioc_s_fmt_vid_cap (struct file *file, void *priv, struct v4l2_format *f) { - struct cx8802_fh *fh = priv; - struct cx8802_dev *dev = fh->dev; + struct cx8802_dev *dev = video_drvdata(file); struct cx88_core *core = dev->core; f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG; f->fmt.pix.bytesperline = 0; - f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */ + f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; dev->width = f->fmt.pix.width; dev->height = f->fmt.pix.height; - fh->mpegq.field = f->fmt.pix.field; + dev->field = f->fmt.pix.field; cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field); blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0, f->fmt.pix.height, f->fmt.pix.width); @@ -769,57 +847,11 @@ static int vidioc_s_fmt_vid_cap (struct file *file, void *priv, return 0; } -static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p) -{ - struct cx8802_fh *fh = priv; - return (videobuf_reqbufs(&fh->mpegq, p)); -} - -static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p) -{ - struct cx8802_fh *fh = priv; - return (videobuf_querybuf(&fh->mpegq, p)); -} - -static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p) -{ - struct cx8802_fh *fh = priv; - return (videobuf_qbuf(&fh->mpegq, p)); -} - -static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p) -{ - struct cx8802_fh *fh = priv; - return (videobuf_dqbuf(&fh->mpegq, p, - file->f_flags & O_NONBLOCK)); -} - -static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) -{ - struct cx8802_fh *fh = priv; - struct cx8802_dev *dev = fh->dev; - - if (!dev->mpeg_active) - blackbird_start_codec(file, fh); - return videobuf_streamon(&fh->mpegq); -} - -static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) -{ - struct cx8802_fh *fh = priv; - struct cx8802_dev *dev = fh->dev; - - if (dev->mpeg_active) - blackbird_stop_codec(dev); - return videobuf_streamoff(&fh->mpegq); -} - static int vidioc_s_frequency (struct file *file, void *priv, const struct v4l2_frequency *f) { - struct cx8802_fh *fh = priv; - struct cx8802_dev *dev = fh->dev; - struct cx88_core *core = dev->core; + struct cx8802_dev *dev = video_drvdata(file); + struct cx88_core *core = dev->core; if (unlikely(UNSET == core->board.tuner_type)) return -EINVAL; @@ -831,14 +863,14 @@ static int vidioc_s_frequency (struct file *file, void *priv, cx88_set_freq (core,f); blackbird_initialize_codec(dev); cx88_set_scale(dev->core, dev->width, dev->height, - fh->mpegq.field); + dev->field); return 0; } static int vidioc_log_status (struct file *file, void *priv) { - struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev; - struct cx88_core *core = dev->core; + struct cx8802_dev *dev = video_drvdata(file); + struct cx88_core *core = dev->core; char name[32 + 2]; snprintf(name, sizeof(name), "%s/2", core->name); @@ -850,15 +882,16 @@ static int vidioc_log_status (struct file *file, void *priv) static int vidioc_enum_input (struct file *file, void *priv, struct v4l2_input *i) { - struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; + struct cx8802_dev *dev = video_drvdata(file); + struct cx88_core *core = dev->core; return cx88_enum_input (core,i); } static int vidioc_g_frequency (struct file *file, void *priv, struct v4l2_frequency *f) { - struct cx8802_fh *fh = priv; - struct cx88_core *core = fh->dev->core; + struct cx8802_dev *dev = video_drvdata(file); + struct cx88_core *core = dev->core; if (unlikely(UNSET == core->board.tuner_type)) return -EINVAL; @@ -873,7 +906,8 @@ static int vidioc_g_frequency (struct file *file, void *priv, static int vidioc_g_input (struct file *file, void *priv, unsigned int *i) { - struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; + struct cx8802_dev *dev = video_drvdata(file); + struct cx88_core *core = dev->core; *i = core->input; return 0; @@ -881,24 +915,24 @@ static int vidioc_g_input (struct file *file, void *priv, unsigned int *i) static int vidioc_s_input (struct file *file, void *priv, unsigned int i) { - struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; + struct cx8802_dev *dev = video_drvdata(file); + struct cx88_core *core = dev->core; if (i >= 4) return -EINVAL; if (0 == INPUT(i).type) return -EINVAL; - mutex_lock(&core->lock); cx88_newstation(core); cx88_video_mux(core,i); - mutex_unlock(&core->lock); return 0; } static int vidioc_g_tuner (struct file *file, void *priv, struct v4l2_tuner *t) { - struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; + struct cx8802_dev *dev = video_drvdata(file); + struct cx88_core *core = dev->core; u32 reg; if (unlikely(UNSET == core->board.tuner_type)) @@ -920,7 +954,8 @@ static int vidioc_g_tuner (struct file *file, void *priv, static int vidioc_s_tuner (struct file *file, void *priv, const struct v4l2_tuner *t) { - struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; + struct cx8802_dev *dev = video_drvdata(file); + struct cx88_core *core = dev->core; if (UNSET == core->board.tuner_type) return -EINVAL; @@ -933,7 +968,8 @@ static int vidioc_s_tuner (struct file *file, void *priv, static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm) { - struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; + struct cx8802_dev *dev = video_drvdata(file); + struct cx88_core *core = dev->core; *tvnorm = core->tvnorm; return 0; @@ -941,155 +977,21 @@ static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm) static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id) { - struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core; - - mutex_lock(&core->lock); - cx88_set_tvnorm(core, id); - mutex_unlock(&core->lock); - return 0; -} - -/* FIXME: cx88_ioctl_hook not implemented */ - -static int mpeg_open(struct file *file) -{ - struct video_device *vdev = video_devdata(file); struct cx8802_dev *dev = video_drvdata(file); - struct cx8802_fh *fh; - struct cx8802_driver *drv = NULL; - int err; - - dprintk( 1, "%s\n", __func__); - - mutex_lock(&dev->core->lock); - - /* Make sure we can acquire the hardware */ - drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); - if (!drv) { - dprintk(1, "%s: blackbird driver is not loaded\n", __func__); - mutex_unlock(&dev->core->lock); - return -ENODEV; - } - - err = drv->request_acquire(drv); - if (err != 0) { - dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err); - mutex_unlock(&dev->core->lock); - return err; - } - - if (!dev->core->mpeg_users && blackbird_initialize_codec(dev) < 0) { - drv->request_release(drv); - mutex_unlock(&dev->core->lock); - return -EINVAL; - } - dprintk(1, "open dev=%s\n", video_device_node_name(vdev)); - - /* allocate + initialize per filehandle data */ - fh = kzalloc(sizeof(*fh),GFP_KERNEL); - if (NULL == fh) { - drv->request_release(drv); - mutex_unlock(&dev->core->lock); - return -ENOMEM; - } - v4l2_fh_init(&fh->fh, vdev); - file->private_data = fh; - fh->dev = dev; - - videobuf_queue_sg_init(&fh->mpegq, &blackbird_qops, - &dev->pci->dev, &dev->slock, - V4L2_BUF_TYPE_VIDEO_CAPTURE, - V4L2_FIELD_INTERLACED, - sizeof(struct cx88_buffer), - fh, NULL); - - /* FIXME: locking against other video device */ - cx88_set_scale(dev->core, dev->width, dev->height, - fh->mpegq.field); - - dev->core->mpeg_users++; - mutex_unlock(&dev->core->lock); - v4l2_fh_add(&fh->fh); - return 0; -} - -static int mpeg_release(struct file *file) -{ - struct cx8802_fh *fh = file->private_data; - struct cx8802_dev *dev = fh->dev; - struct cx8802_driver *drv = NULL; - - mutex_lock(&dev->core->lock); - - if (dev->mpeg_active && dev->core->mpeg_users == 1) - blackbird_stop_codec(dev); - - cx8802_cancel_buffers(fh->dev); - /* stop mpeg capture */ - videobuf_stop(&fh->mpegq); - - videobuf_mmap_free(&fh->mpegq); - - v4l2_fh_del(&fh->fh); - v4l2_fh_exit(&fh->fh); - file->private_data = NULL; - kfree(fh); - - /* Make sure we release the hardware */ - drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD); - WARN_ON(!drv); - if (drv) - drv->request_release(drv); - - dev->core->mpeg_users--; - - mutex_unlock(&dev->core->lock); + struct cx88_core *core = dev->core; + cx88_set_tvnorm(core, id); return 0; } -static ssize_t -mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos) -{ - struct cx8802_fh *fh = file->private_data; - struct cx8802_dev *dev = fh->dev; - - if (!dev->mpeg_active) - blackbird_start_codec(file, fh); - - return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0, - file->f_flags & O_NONBLOCK); -} - -static unsigned int -mpeg_poll(struct file *file, struct poll_table_struct *wait) -{ - unsigned long req_events = poll_requested_events(wait); - struct cx8802_fh *fh = file->private_data; - struct cx8802_dev *dev = fh->dev; - - if (!dev->mpeg_active && (req_events & (POLLIN | POLLRDNORM))) - blackbird_start_codec(file, fh); - - return v4l2_ctrl_poll(file, wait) | videobuf_poll_stream(file, &fh->mpegq, wait); -} - -static int -mpeg_mmap(struct file *file, struct vm_area_struct * vma) -{ - struct cx8802_fh *fh = file->private_data; - - return videobuf_mmap_mapper(&fh->mpegq, vma); -} - static const struct v4l2_file_operations mpeg_fops = { .owner = THIS_MODULE, - .open = mpeg_open, - .release = mpeg_release, - .read = mpeg_read, - .poll = mpeg_poll, - .mmap = mpeg_mmap, + .open = v4l2_fh_open, + .release = vb2_fop_release, + .read = vb2_fop_read, + .poll = vb2_fop_poll, + .mmap = vb2_fop_mmap, .unlocked_ioctl = video_ioctl2, }; @@ -1099,12 +1001,12 @@ static const struct v4l2_ioctl_ops mpeg_ioctl_ops = { .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, - .vidioc_reqbufs = vidioc_reqbufs, - .vidioc_querybuf = vidioc_querybuf, - .vidioc_qbuf = vidioc_qbuf, - .vidioc_dqbuf = vidioc_dqbuf, - .vidioc_streamon = vidioc_streamon, - .vidioc_streamoff = vidioc_streamoff, + .vidioc_reqbufs = vb2_ioctl_reqbufs, + .vidioc_querybuf = vb2_ioctl_querybuf, + .vidioc_qbuf = vb2_ioctl_qbuf, + .vidioc_dqbuf = vb2_ioctl_dqbuf, + .vidioc_streamon = vb2_ioctl_streamon, + .vidioc_streamoff = vb2_ioctl_streamoff, .vidioc_s_frequency = vidioc_s_frequency, .vidioc_log_status = vidioc_log_status, .vidioc_enum_input = vidioc_enum_input, @@ -1189,11 +1091,12 @@ static int blackbird_register_video(struct cx8802_dev *dev) { int err; - dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci, - &cx8802_mpeg_template,"mpeg"); + dev->mpeg_dev = cx88_vdev_init(dev->core, dev->pci, + &cx8802_mpeg_template, "mpeg"); dev->mpeg_dev->ctrl_handler = &dev->cxhdl.hdl; video_set_drvdata(dev->mpeg_dev, dev); - err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1); + dev->mpeg_dev->queue = &dev->vb2_mpegq; + err = video_register_device(dev->mpeg_dev, VFL_TYPE_GRABBER, -1); if (err < 0) { printk(KERN_INFO "%s/2: can't register mpeg device\n", dev->core->name); @@ -1210,6 +1113,7 @@ static int cx8802_blackbird_probe(struct cx8802_driver *drv) { struct cx88_core *core = drv->core; struct cx8802_dev *dev = core->dvbdev; + struct vb2_queue *q; int err; dprintk( 1, "%s\n", __func__); @@ -1229,6 +1133,7 @@ static int cx8802_blackbird_probe(struct cx8802_driver *drv) } else { dev->height = 576; } + dev->field = V4L2_FIELD_INTERLACED; dev->cxhdl.port = CX2341X_PORT_STREAMING; dev->cxhdl.width = dev->width; dev->cxhdl.height = dev->height; @@ -1252,11 +1157,28 @@ static int cx8802_blackbird_probe(struct cx8802_driver *drv) cx88_video_mux(core,0); cx2341x_handler_set_50hz(&dev->cxhdl, dev->height == 576); cx2341x_handler_setup(&dev->cxhdl); + + q = &dev->vb2_mpegq; + q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ; + q->gfp_flags = GFP_DMA32; + q->min_buffers_needed = 2; + q->drv_priv = dev; + q->buf_struct_size = sizeof(struct cx88_buffer); + q->ops = &blackbird_qops; + q->mem_ops = &vb2_dma_sg_memops; + q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + q->lock = &core->lock; + + err = vb2_queue_init(q); + if (err < 0) + goto fail_core; + blackbird_register_video(dev); return 0; - fail_core: +fail_core: return err; } |